94 lines
3.2 KiB
Python
94 lines
3.2 KiB
Python
# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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from neutron.api import extensions
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from neutron.api.v2 import attributes
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from neutron.common import constants
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from neutron.common import exceptions
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HA_INFO = 'ha'
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EXTENDED_ATTRIBUTES_2_0 = {
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'routers': {
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HA_INFO: {'allow_post': True, 'allow_put': False,
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'default': attributes.ATTR_NOT_SPECIFIED, 'is_visible': True,
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'enforce_policy': True,
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'convert_to': attributes.convert_to_boolean_if_not_none}
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}
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}
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class DistributedHARouterNotSupported(NotImplementedError):
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message = _("Currently distributed HA routers are "
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"not supported.")
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class MaxVRIDAllocationTriesReached(exceptions.NeutronException):
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message = _("Failed to allocate a VRID in the network %(network_id)s "
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"for the router %(router_id)s after %(max_tries)s tries.")
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class NoVRIDAvailable(exceptions.Conflict):
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message = _("No more Virtual Router Identifier (VRID) available when "
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"creating router %(router_id)s. The limit of number "
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"of HA Routers per tenant is 254.")
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class HANetworkCIDRNotValid(exceptions.NeutronException):
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message = _("The HA Network CIDR specified in the configuration file "
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"isn't valid; %(cidr)s.")
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class HANotEnoughAvailableAgents(exceptions.NeutronException):
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message = _("Not enough l3 agents available to ensure HA. Minimum "
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"required %(min_agents)s, available %(num_agents)s.")
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class HAMaximumAgentsNumberNotValid(exceptions.NeutronException):
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message = _("max_l3_agents_per_router %(max_agents)s config parameter "
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"is not valid. It has to be greater than or equal to "
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"min_l3_agents_per_router %(min_agents)s.")
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class HAMinimumAgentsNumberNotValid(exceptions.NeutronException):
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message = (_("min_l3_agents_per_router config parameter is not valid. "
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"It has to be equal to or more than %s for HA.") %
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constants.MINIMUM_AGENTS_FOR_HA)
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class L3_ext_ha_mode(extensions.ExtensionDescriptor):
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"""Extension class supporting virtual router in HA mode."""
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@classmethod
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def get_name(cls):
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return "HA Router extension"
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@classmethod
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def get_alias(cls):
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return constants.L3_HA_MODE_EXT_ALIAS
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@classmethod
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def get_description(cls):
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return "Add HA capability to routers."
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@classmethod
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def get_updated(cls):
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return "2014-04-26T00:00:00-00:00"
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def get_extended_resources(self, version):
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if version == "2.0":
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return EXTENDED_ATTRIBUTES_2_0
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else:
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return {}
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